NPPES file of Aug 9, 2026

Kenneth Landgraf, MD

Internal Medicine Physician · Brenham, TX

Kenneth Landgraf, MD is an internal medicine physician with a practice address in Brenham, Texas, and NPI 1457354847, issued on May 23, 2005. Check the license (Texas E8650, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457354847
Name
Kenneth Landgraf
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
E8650 TX
Self-reported in NPPES; status is on the state search
Practice location
600 North Park St, Brenham, TX 77833
Phone
(979) 836-6153
Enumerated
May 23, 2005
Record last updated
May 7, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicaid ID
116299204 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 600 North Park St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cherie Adams, NPNurse Practitioner1013906155
  2. Francisco Leal, MDFamily Medicine Physician1487658712
  3. Bobby Marek, MDInternal Medicine Physician1063415149
  4. Ann Omalley, NPNurse Practitioner1407870314
  5. Leonidas Pena, MDSurgery Physician1043213119
  6. Jeffrey Stoltenberg, MDSurgery Physician1558364612

Verify Kenneth Landgraf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license E8650
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

16 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Kenneth Landgraf16
  2. Specialty average3,176

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

5 internal medicine physician records list a practice address in Brenham

They are 5 of the 305 NPPES records with a practice address in Brenham, and 9,175 internal medicine physician records in Texas.

Other internal medicine physician records in Texas

  1. Muhammad A. Sattar, MDDallas, TX1760465553
  2. Gayatri Aaluri, MDGalveston, TX1821928508
  3. Anunaya AashishDenton, TX1134246374
  4. Queenie Ann Abad, M.D.San Antonio, TX1174979785
  5. Fuad Abaleka, M.DLubbock, TX1861925596
  6. Carol Abalihi, M.D.El Paso, TX1326136243
  7. Oliverio Abarca Guzman, MDHarlingen, TX1346972940
  8. Obinna Abaribe, M.DMansfield, TX1457704355
  9. Enyinnaya Abarikwu, MDTyler, TX1174788178
  10. Sulaiman Abawi, D.O.Frisco, TX1780845255

Common questions

What is Kenneth Landgraf, MD's NPI number?

Kenneth Landgraf, MD's National Provider Identifier (NPI) is 1457354847, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Landgraf, MD located?

The NPPES record lists a practice address at 600 North Park St, Brenham, TX, 77833. Phone: (979) 836-6153. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Landgraf, MD's license?

NPPES lists Texas license number E8650, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kenneth Landgraf, MD prescribe under Medicare Part D?

In 2024, Kenneth Landgraf, MD had 16 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.